User profiles for Alexandra A.-T. Weber

Alexandra Anh-Thu Weber

Group Leader, Aquatic Ecology, Eawag
Verified email at eawag.ch
Cited by 1213

Synthesis and scope of the role of postmating prezygotic isolation in speciation

…, RR Snook, M Ålund, AAT Weber - Cold Spring …, 2023 - cshperspectives.cshlp.org
How barriers to gene flow arise and are maintained are key questions in evolutionary biology.
Speciation research has mainly focused on barriers that occur either before mating or after …

[HTML][HTML] Giant protists (xenophyophores, Foraminifera) are exceptionally diverse in parts of the abyssal eastern Pacific licensed for polymetallic nodule exploration

…, C Caulle, A Goineau, O Kamenskaya, AAT Weber… - Biological …, 2017 - Elsevier
Xenophyophores, giant, fragile, agglutinated foraminifera (protists), are major constituents
of the abyssal megafauna in the equatorial Pacific Clarion-Clipperton Zone (CCZ), a region …

[HTML][HTML] Hybrid conferences: opportunities, challenges and ways forward

…, S Fuchs, L Menot, EE Easton, AAT Weber - Frontiers in Marine …, 2022 - frontiersin.org
Hybrid conferences are in-person events that have an online component. This type of meeting
format was rare before the COVID-19 pandemic, but started to become more common …

[HTML][HTML] Can abundance of protists be inferred from sequence data: a case study of Foraminifera

AAT Weber, J Pawlowski - PloS one, 2013 - journals.plos.org
Protists are key players in microbial communities, yet our understanding of their role in
ecosystem functioning is seriously impeded by difficulties in identification of protistan species and …

Wide occurrence of SSU rDNA intragenomic polymorphism in foraminifera and its implications for molecular species identification

AAT Weber, J Pawlowski - Protist, 2014 - Elsevier
… Author links open overlay panel Alexandra Anh-Thu Weber a b , Jan Pawlowski a 1 … , in
addition to other biological factors affecting sequence abundance (Weber and Pawlowski 2013). …

New species of the xenophyophore genus Aschemonella (Rhizaria: Foraminifera) from areas of the abyssal eastern Pacific licensed for polymetallic nodule …

…, E Simon-Lledó, AAT Weber… - Zoological Journal of …, 2018 - academic.oup.com
We describe Aschemonella monile Gooday and Holzmann sp. nov. from the Clarion–Clipperton
Zone (CCZ, abyssal eastern equatorial Pacific), a region characterized by commercially …

Speciation dynamics and extent of parallel evolution along a lake-stream environmental contrast in African cichlid fishes

AAT Weber, J Rajkov, K Smailus, B Egger… - Science …, 2021 - science.org
Understanding the dynamics of speciation is a central topic in evolutionary biology. Here,
we investigated how morphological and genomic differentiation accumulated along the …

Species delimitation in the presence of strong incomplete lineage sorting and hybridization: Lessons from Ophioderma (Ophiuroidea: Echinodermata)

AAT Weber, S Stöhr, A Chenuil - Molecular phylogenetics and evolution, 2019 - Elsevier
Accurate species delimitation is essential to properly assess biodiversity, but also for
management and conservation purposes. Yet, it is not always trivial to accurately define species …

Repeated Evolution Versus Common Ancestry: Sex Chromosome Evolution in the Haplochromine Cichlid Pseudocrenilabrus philander

A Böhne, AAT Weber, J Rajkov… - Genome biology and …, 2019 - academic.oup.com
Why sex chromosomes turn over and remain undifferentiated in some taxa, whereas they
degenerate in others, is still an area of ongoing research. The recurrent occurrence of …

Convergent evolution and structural adaptation to the deep ocean in the protein-folding chaperonin CCTα

AAT Weber, AF Hugall, TD O'hara - Genome Biology and …, 2020 - academic.oup.com
The deep ocean is the largest biome on Earth and yet it is among the least studied environments
of our planet. Life at great depths requires several specific adaptations; however, their …